Add info on inverting stepgen and pwmgen output pins
Add info on inverting stepgen and pwmgen output pins

Signed-off-by: John Thornton <831ddba0f9954b83b568ccc203bee09efc068d05@gmail.com>

araisrobo/machinekit,araisrobo/machinekit,bobvanderlinden/machinekit,ianmcmahon/linuxcnc-mirror,cdsteinkuehler/linuxcnc,cdsteinkuehler/MachineKit,jaguarcat79/ILC-with-LinuxCNC,araisrobo/machinekit,cdsteinkuehler/linuxcnc,unseenlaser/linuxcnc,ArcEye/MK-Qt5,Cid427/machinekit,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,cnc-club/linuxcnc,kinsamanka/machinekit,araisrobo/linuxcnc,yishinli/emc2,strahlex/machinekit,aschiffler/linuxcnc,ArcEye/MK-Qt5,mhaberler/machinekit,araisrobo/machinekit,narogon/linuxcnc,araisrobo/linuxcnc,bobvanderlinden/machinekit,Cid427/machinekit,EqAfrica/machinekit,cnc-club/linuxcnc,bmwiedemann/linuxcnc-mirror,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,unseenlaser/machinekit,RunningLight/machinekit,cdsteinkuehler/MachineKit,narogon/linuxcnc,cdsteinkuehler/MachineKit,cdsteinkuehler/MachineKit,jaguarcat79/ILC-with-LinuxCNC,unseenlaser/machinekit,araisrobo/machinekit,ArcEye/MK-Qt5,ianmcmahon/linuxcnc-mirror,unseenlaser/machinekit,ArcEye/machinekit-testing,aschiffler/linuxcnc,strahlex/machinekit,EqAfrica/machinekit,araisrobo/machinekit,ArcEye/machinekit-testing,ikcalB/linuxcnc-mirror,unseenlaser/machinekit,cdsteinkuehler/linuxcnc,yishinli/emc2,EqAfrica/machinekit,strahlex/machinekit,strahlex/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,unseenlaser/linuxcnc,RunningLight/machinekit,RunningLight/machinekit,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,ArcEye/machinekit-testing,jaguarcat79/ILC-with-LinuxCNC,araisrobo/machinekit,bobvanderlinden/machinekit,yishinli/emc2,aschiffler/linuxcnc,Cid427/machinekit,RunningLight/machinekit,EqAfrica/machinekit,ArcEye/machinekit-testing,araisrobo/machinekit,cnc-club/linuxcnc,bobvanderlinden/machinekit,ikcalB/linuxcnc-mirror,narogon/linuxcnc,Cid427/machinekit,mhaberler/machinekit,aschiffler/linuxcnc,araisrobo/linuxcnc,ianmcmahon/linuxcnc-mirror,ArcEye/machinekit-testing,ArcEye/MK-Qt5,kinsamanka/machinekit,jaguarcat79/ILC-with-LinuxCNC,Cid427/machinekit,araisrobo/linuxcnc,unseenlaser/linuxcnc,ikcalB/linuxcnc-mirror,strahlex/machinekit,cdsteinkuehler/linuxcnc,ArcEye/machinekit-testing,kinsamanka/machinekit,Cid427/machinekit,mhaberler/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/machinekit-testing,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,jaguarcat79/ILC-with-LinuxCNC,narogon/linuxcnc,bmwiedemann/linuxcnc-mirror,unseenlaser/linuxcnc,cdsteinkuehler/linuxcnc,ianmcmahon/linuxcnc-mirror,strahlex/machinekit,ikcalB/linuxcnc-mirror,mhaberler/machinekit,unseenlaser/machinekit,araisrobo/linuxcnc,kinsamanka/machinekit,ianmcmahon/linuxcnc-mirror,kinsamanka/machinekit,Cid427/machinekit,cdsteinkuehler/MachineKit,ArcEye/machinekit-testing,ikcalB/linuxcnc-mirror,ianmcmahon/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,EqAfrica/machinekit,bobvanderlinden/machinekit,EqAfrica/machinekit,EqAfrica/machinekit,cdsteinkuehler/linuxcnc,Cid427/machinekit,cnc-club/linuxcnc,RunningLight/machinekit,ArcEye/MK-Qt5,RunningLight/machinekit,unseenlaser/machinekit,mhaberler/machinekit,yishinli/emc2,kinsamanka/machinekit,cnc-club/linuxcnc,EqAfrica/machinekit,unseenlaser/linuxcnc,araisrobo/machinekit,RunningLight/machinekit,cdsteinkuehler/MachineKit,ArcEye/MK-Qt5,cnc-club/linuxcnc,kinsamanka/machinekit,ArcEye/MK-Qt5,strahlex/machinekit,aschiffler/linuxcnc,cnc-club/linuxcnc,RunningLight/machinekit,narogon/linuxcnc,unseenlaser/machinekit,mhaberler/machinekit,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit